Administrator Guide

does not support auto-negotiation must be configured to exactly match the mode of
operation as the link partner or else no link can be established.
1000Base-T
Control
1000Base-T requires auto-negotiation. The IEEE Ethernet standard does not support
setting a speed to 1000 Mbps with the speed command without auto-negotiation. E-
Series line cards support both full-duplex and half-duplex 1000BaseT.
Phy Specific
Control
Values are:
• 0 - Manual MDI
• 1 - Manual MDIX
• 2 - N/A
• 3 - Auto MDI/MDIX
Phy Specific
Status
Displays PHY-specific status information. Cable length represents a rough estimate in
meters:
• 0 - < 50 meters
• 1 - 50 - 80 meters
• 2 - 80 - 110 meters
• 3 - 110 - 140 meters
• 4 - 140 meters
Link Status: Up or Down
Speed:
• Auto
• 1000MB
• 100MB
• 10MB
Example
DellEMC# show interfaces gigabitethernet 1/1 phy
Mode Control:
SpeedSelection: 10b
AutoNeg: ON
Loopback: False
PowerDown: False
Isolate: False
DuplexMode: Full
Mode Status:
AutoNegComplete: False
RemoteFault: False
LinkStatus: False
JabberDetect: False
AutoNegotation Advertise:
100MegFullDplx: True
100MegHalfDplx: True
10MegFullDplx: False
10MegHalfDplx: True
Asym Pause: False
Sym Pause: False
AutoNegotiation Remote Partner's Ability:
100MegFullDplx: False
100MegHalfDplx: False
10MegFullDplx: False
10MegHalfDplx: False
Asym Pause: False
Sym Pause: False
AutoNegotiation Expansion:
ParallelDetectionFault: False
...
Interfaces
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